Engineering writing
Writing
Technical articles on AI systems, backend architecture, database optimization, and production engineering. Grounded in real systems and real tradeoffs.
4 articles
6 min read
Rebuilding Legacy Systems SafelyHow to modernize production systems without breaking them — using the Strangler Fig pattern, parallel running, and incremental cutover. With concrete techniques and failure modes.
ArchitectureArchitectureLegacy SystemsMigration
5 min read
Designing Reflection Loops In LangGraphHow to implement self-correcting agent behavior in LangGraph using structured reflection nodes and conditional edges — with a complete working example.
AI EngineeringLangGraphLangChainAgents
7 min read
Why Most RAG Systems Fail In ProductionRAG is conceptually simple. Production RAG is not. Here are the specific failure modes that kill RAG systems after the demo works — and how to address each one.
AI EngineeringRAGLLMProduction
7 min read
Reducing PostgreSQL Query Time By 40×A methodical guide to diagnosing and fixing slow PostgreSQL queries — using EXPLAIN ANALYZE, pg_stat_statements, and targeted indexing strategies. With real queries and real numbers.
BackendPostgreSQLPerformanceIndexing